Lactoserum: propiedades nutricionales en la práctica médica Mayor M.C. M. en C. Carlos Armando Sosa-Luna,* , ** , *** Mayor M. C. Dr. en C. Dolores Javier Sánchez- González,*** , **** Tte. Cor. M.C. M. en C. Gerardo Martín González-López,** Mayor M.C. M. en M.F.

The lactoserum is a therapeutic functional food or nutraceutical of easy digestion and high nutritional value. By its high content in aminoacids, proteins, vitamins and minerals; this food is considered hipernutritional that covers the protein requirements in diverse clinical states like undernourishment, traumatism, infections, surgical procedures, cancer, immunodeficiencies and pregnancy. The constituent proteins of the lactoserum are: β-lactoglobulin, α-lactoalbumin, lactoferrin, α-lactorfin, β-lactorfin, γ-lactoferricin, growth factors, albumin, serorfin and diverse bioactives peptides. Lactoserum have anticarcinogenic, immunoestimulant, hypocholesterolemic effect and antiaging due to the abundance of sulphured aminoacids of their total functional proteins, since the methionin and cistein serve as substrate for the synthesis of the gluthatione, powerful antioxidant that acts like enzyme substrate that catalyzes the processes of cellular detoxification. The lactoserum also contains a fraction of immunoglobulin, transfer factors and γ-gluthamilcisteine that harnesses the humoral and cellular immune answer.